用Arduino瞬时测量空气和水中的声速

IF 0.5 4区教育学 Q4 EDUCATION, SCIENTIFIC DISCIPLINES Physics Teacher Pub Date : 2023-05-01 DOI:10.1119/5.0118245

Gustavo A. Mendes, Jusciane da Costa e Silva, Gustavo de O. G. Rebouças

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引用次数: 0

摘要

尽管学校通常教导声波在固体中的传播速度比在液体中更快，在液体中比在气体中更快，但没有低成本的活动可以让学生调查这一说法是否属实。事实上，一些现有的技术只是让他们能够识别空气中的声速及其对温度的依赖性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Instantaneous Measurement of the Speed of Sound in Air and Water Using Arduino

Although schools commonly teach that sound waves propagate faster in solids than in liquids and in liquids than in gases, there is no low-cost activity that allows students to investigate if this statement is true or not. Indeed, some existing techniques simply allow them to identify the speed of sound in air and its temperature dependence.

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来源期刊

Physics Teacher PHYSICS, MULTIDISCIPLINARY-

CiteScore

1.10

自引率

22.20%

发文量

期刊介绍： TPT publishes peer-reviewed papers on the teaching of introductory physics and on topics such as contemporary physics, applied physics, and the history of physics. Dedicated to strengthening the teaching of introductory physics at all levels, including secondary schools colleges and universities, TPT provides peer-reviewed content and materials to be used in classrooms and instructional laboratories.